7(m+4)+7m=140

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Solution for 7(m+4)+7m=140 equation: 



7(m+4)+7m=140

We move all terms to the left:

7(m+4)+7m-(140)=0

We add all the numbers together, and all the variables

7m+7(m+4)-140=0

We multiply parentheses

7m+7m+28-140=0

We add all the numbers together, and all the variables

14m-112=0

We move all terms containing m to the left, all other terms to the right

14m=112

m=112/14

m=8

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